IsoGrego

Find the top n Gregorian chants most similar to a given one, sorted by cosine TF-IDF similarity of the GABC files.

Last sync with GregoBase: 2025-12-19. Max GregoBase ID: 20393.

🎩 tip: "How to compute the similarity between two text documents?" StackOverflow question. Originally inspired by "examples of same setting, different texts?" MusicaSacra forum thread. See the source code on GitHub.

See, e.g.: 1961 Solesmes Liber Usualis

Click on the chant name to expand/contract the collapsible. Click the chant image to open it up in GregoBase. Click the 🔍 to find similarities to the given chant.

  1. 🔍 100% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  2. 🔍 93% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  3. 🔍 83% Alleluia alleluia alleluia alleluia (TP ad Nonam)Alleluia alleluia alleluia alleluia (TP ad Nonam)
  4. 🔍 82% Alleluia alleluia alleluia alleluia (TP ad Tertiam)Alleluia alleluia alleluia alleluia (TP ad Tertiam)
  5. 🔍 79% Alleluia alleluia alleluia alleluia (TP ad Primam)Alleluia alleluia alleluia alleluia (TP ad Primam)
  6. 🔍 77% Alleluia (mode 8)Alleluia (mode 8)
  7. 🔍 76% Alleluia alleluia alleluia (Dom. ad Laudes)Alleluia alleluia alleluia (Dom. ad Laudes)
  8. 🔍 76% Alleluia alleluiaAlleluia alleluia
  9. 🔍 75% Alleluia (mode 8)Alleluia (mode 8)
  10. 🔍 71% AlleluiaAlleluia
  11. 🔍 71% Alleluia alleluia (Dom. ad Laudes)Alleluia alleluia (Dom. ad Laudes)
  12. 🔍 69% Alleluia alleluia alleluia (Dominica ad Primam)Alleluia alleluia alleluia (Dominica ad Primam)
  13. 🔍 69% Alleluia (ant.)Alleluia (ant.)
  14. 🔍 69% Alleluia (ant.)Alleluia (ant.)
  15. 🔍 69% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  16. 🔍 69% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  17. 🔍 68% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  18. 🔍 67% Alleluia (T. P. ad Sextam)Alleluia (T. P. ad Sextam)
  19. 🔍 67% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  20. 🔍 67% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  21. 🔍 67% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  22. 🔍 66% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  23. 🔍 63% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  24. 🔍 62% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  25. 🔍 61% AlleluiaAlleluia
  26. 🔍 61% Alleluia (Feria Secunda ad Sextam T.P.)Alleluia (Feria Secunda ad Sextam T.P.)
  27. 🔍 61% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  28. 🔍 61% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  29. 🔍 60% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  30. 🔍 60% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  31. 🔍 60% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  32. 🔍 60% Alleluia (in feriis ad Tertiam TP)Alleluia (in feriis ad Tertiam TP)
  33. 🔍 60% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  34. 🔍 60% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  35. 🔍 59% Alleluia (Per Hebdomadam ad Sextam T.P.)Alleluia (Per Hebdomadam ad Sextam T.P.)
  36. 🔍 59% Alleluia alleluia alleluiaAlleluia alleluia alleluia
  37. 🔍 59% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  38. 🔍 59% Alleluia alleluia alleluia (Sabbato T.P. in I Nocturno)Alleluia alleluia alleluia (Sabbato T.P. in I Nocturno)
  39. 🔍 59% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  40. 🔍 59% AlleluiaAlleluia
  41. 🔍 59% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  42. 🔍 58% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  43. 🔍 58% Alleluia Lapis revolutusAlleluia Lapis revolutus
  44. 🔍 58% Alleluia alleluia alleluia (Quinta T.P. in I Nocturno)Alleluia alleluia alleluia (Quinta T.P. in I Nocturno)
  45. 🔍 58% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  46. 🔍 58% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  47. 🔍 58% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  48. 🔍 57% Alleluia alleluia alleluia (Sexta T.P. in I Nocturno)Alleluia alleluia alleluia (Sexta T.P. in I Nocturno)
  49. 🔍 57% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  50. 🔍 57% Alleluia (Dominica per Annum ad Laudes)Alleluia (Dominica per Annum ad Laudes)
  51. 🔍 57% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  52. 🔍 56% Alleluia (T. P. Laud. Fer. V.)Alleluia (T. P. Laud. Fer. V.)
  53. 🔍 56% Alleluia (T. P. Laud. Fer. IV.)Alleluia (T. P. Laud. Fer. IV.)
  54. 🔍 56% Alleluia (T. P. Laud. Fer. III.)Alleluia (T. P. Laud. Fer. III.)
  55. 🔍 56% Alleluia. Dom. LaudAlleluia. Dom. Laud
  56. 🔍 56% Alleluia (Sund. T.P. at Terce)Alleluia (Sund. T.P. at Terce)
  57. 🔍 56% Alleluia (T. P. Vesp. Fer. II.)Alleluia (T. P. Vesp. Fer. II.)
  58. 🔍 55% Alleluia (T. P. Vesp. Fer. IV.)Alleluia (T. P. Vesp. Fer. IV.)
  59. 🔍 55% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  60. 🔍 55% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  61. 🔍 55% Alleluia (T. P. Vesp. Fer. VI.)Alleluia (T. P. Vesp. Fer. VI.)
  62. 🔍 54% Alleluia (Dom. Tert. T.P.)Alleluia (Dom. Tert. T.P.)
  63. 🔍 54% Alleluia Sabb. T.P. IAlleluia Sabb. T.P. I
  64. 🔍 54% Alleluia Dom. Prim. T.P.Alleluia Dom. Prim. T.P.
  65. 🔍 54% Puer natus in BethlehemPuer natus in Bethlehem